Ahmadjian, V 1987: Coevolution in lichens. - Annals of the New York Academy of Sciences503: 307-315. [RLL List # 135 / Rec.# 229] Keywords: COEVOLUTION/ EVOLUTION
Abstract: [General review of aspects of the lichen symbiosis. "These phenomena plus the absence of free-living populations of most lichen fungi and photobionts indicate that lichen symbionts have undergone long periods of coevolution."]